1 1

Mosselman

BMW N54 N55 S55 Mosselman MSL Oil Thermostat Seal Kit

BMW N54 N55 S55 Mosselman MSL Oil Thermostat Seal Kit

£24.00 GBP
£24.78 GBP £24.00 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Replacement O-rings and oil filter housing gasket for the Mosselman MSL oil thermostat on BMW N54, N55 and S55 engines. Fits M135i, M235i, 335i, 435i, M2, M3, M4.

  • Direct-fit seal set for Mosselman MSL thermostat installation
  • Oil-resistant rubber O-rings + filter housing gasket
  • No reusing worn seals - essential for leak-free operation
  • Engine-specific: designed only for N54, N55 and S55 applications

Not a generic kit. Not OEM. Built to match the Mosselman MSL unit’s dimensions and sealing surfaces - so your fast-road or track-day build stays dry.

View full details